American Society for Testing and Materials (ASTM). Current edition approved March 1, 2008. Published April 2008. Originally approved in 1992. Last previous edition approved in 2001 as D5319 – 97(2001). 4 p. This specification covers the classification, materials of construction, workmanship, physical requirements, and methods of testing glass-fiber-reinforced polyester composite wall and ceiling panels intended for use in light construction and semi-structural applications.